CN207771740U - Hydraulic elongator re-setting device - Google Patents
Hydraulic elongator re-setting device Download PDFInfo
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- CN207771740U CN207771740U CN201721880868.0U CN201721880868U CN207771740U CN 207771740 U CN207771740 U CN 207771740U CN 201721880868 U CN201721880868 U CN 201721880868U CN 207771740 U CN207771740 U CN 207771740U
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- hydraulic elongator
- piston
- setting device
- supporting rack
- mounting base
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Abstract
A kind of hydraulic elongator re-setting device provided by the utility model, it includes pedestal, supporting rack, resetting-mechanism and driving mechanism, pass through the annular groove fixed hydraulic stretcher on pedestal, jackscrew is mutually contradicted with non-return valve, the piston fluid and atmosphere of hydraulic elongator, rotating handle drives driving gear to drive driven gear rotation, and driven gear drive rack moves downward, and the piston contact of pressing device and hydraulic elongator is simultaneously downwardly applied to extruding force and makes piston reset.Low by beaing efficiency when overcoming the piston reset of former hydraulic elongator, labor intensity is high, is easy to injure piston, sealing element and deformation, the more serious problem of bite.The utility model has the characteristics of simple in structure, piston reset is convenient and efficient, efficient, and labor intensity is low, and stretcher is not easy bite, survivable sealing element, will not deform.
Description
Technical field
The utility model belongs to hydraulic elongator maintenance field, is related to a kind of hydraulic elongator re-setting device.
Background technology
Large Hydropower Plant equipment is being installed in maintenance process, and many equipment are required for hydraulic elongator to install or remove spiral shell
Bolt.When hydraulic elongator access times are excessive, piston can have bite phenomenon.Piston involution is not in place, can influence to draw next time
Stretch the active strokes of device.It is difficult to make hydraulic elongator automatic resetting in place to conduct oneself with dignity by piston merely.Existing hand resetting side
Method be use hammer, the disadvantage is that：1, hammer can make piston discontinuity, and bite degree can be made more serious；
2, the vibrations that hammer is brought can destroy the sealing element of piston, reduce sealing performance；If the power 3, beaten is too big or exerts oneself
It is improper, stretcher may be made to deform, destroy stretcher.
Invention content
It is simple in structure the technical problem to be solved by the utility model is to provide a kind of hydraulic elongator re-setting device, lead to
Pedestal fixed hydraulic stretcher is crossed, driving mechanism driving resetting-mechanism moves downward the piston reset for squeezing hydraulic elongator, living
Plug reset is convenient and efficient, and efficient, labor intensity is low, and stretcher is not easy bite, survivable sealing element, will not deform.
In order to solve the above technical problems, technical solution used by the utility model is：A kind of hydraulic elongator involution dress
It sets, it includes pedestal, supporting rack, resetting-mechanism and driving mechanism；The pedestal is slab construction, which is provided with annular groove；
The inverted U-shaped structure that the supporting rack is connected by crossbeam and column, column are equipped with jackscrew, and crossbeam is equipped with mounting base；Institute
The rack that the resetting-mechanism stated includes the pull rod being connect with compression bar, is connect with pull rod；The driving mechanism includes and driving tooth
Take turns the driven gear and handle of cooperation；Supporting rack is connected and fixed with pedestal, the peace on resetting-mechanism and driving mechanism and supporting rack
Fill seat cooperation, the rack cooperation of driven gear and resetting-mechanism.
The mounting base is located on the crossbeam of supporting rack, including extend vertically through slot, the horizontal first axle for running through slot
Hole and the second axis hole.
The inverted U-shaped structure that the compression bar is connected by horizon bar and vertical rod, horizon bar are equipped with mounting hole.
The pull rod is rod-like structure body, and bottom is equipped with threaded hole, and two ends are equipped with baffle, and rack is located at the gear of two ends
Between plate.
The rotary shaft of the driving gear and the first shaft hole matching of mounting base, the second axis hole of driven gear and mounting base
Cooperation, the rotation axis connection of handle and driving gear.
The pull rod is located in the slot of mounting base, and fastener passes through the screw thread on the mounting hole and pull rod of compression bar horizon bar
Hole coordinates.
The jackscrew is cone screw, is located on the column of supporting rack, close to the annular groove of pedestal.
The vertical rod bottom of the compression bar is equipped with pressing device, and pressing device includes the plastics pressure being connect with universal ball end
Pad, universal ball end are connect with vertical rod.
A kind of hydraulic elongator re-setting device, it includes pedestal, supporting rack, resetting-mechanism and driving mechanism；Pedestal is flat
Harden structure which is provided with annular groove；The inverted U-shaped structure that supporting rack is connected by crossbeam and column, column are equipped with jackscrew, crossbeam
It is equipped with mounting base；The rack that resetting-mechanism includes the pull rod being connect with compression bar, is connect with pull rod；Driving mechanism include and actively
The driven gear and handle of gear cooperation；Supporting rack is connected and fixed with pedestal, on resetting-mechanism and driving mechanism and supporting rack
Mounting base coordinates, and the rack of driven gear and resetting-mechanism coordinates.It is simple in structure, it is drawn by the annular groove fixed hydraulic on pedestal
Device is stretched, jackscrew is mutually contradicted with non-return valve, the piston fluid and atmosphere of hydraulic elongator, and rotating handle drives driving gear
Drive driven gear rotation, driven gear drive rack moves downward, the piston contact of pressing device and hydraulic elongator and to
Lower application extruding force makes piston reset, and piston reset is convenient and efficient, efficient, and labor intensity is low, and stretcher is not easy bite, is not easy
It destroys sealing element, will not deform.
In the preferred scheme, mounting base is located on the crossbeam of supporting rack, including extend vertically through slot, horizontal run through slot
First axis hole and the second axis hole in hole.Simple in structure, pull rod and rack, driving gear and driven gear are located in slot, actively
Gear is engaged with driven gear, and rack is engaged with driving gear, driving gear and driven gear and the first axis hole and the second axis hole
Cooperation.
In the preferred scheme, the inverted U-shaped structure that compression bar is connected by horizon bar and vertical rod, horizon bar are equipped with installation
Hole.It is simple in structure, pass through appended claims mounting hole steady brace.
In the preferred scheme, pull rod is rod-like structure body, and bottom is equipped with threaded hole, and two ends are equipped with baffle, rack position
Between the baffle of two ends.Simple in structure, for the threaded hole of bottom for being fixed with compression bar, the baffle of two ends limits reset machine
The stroke that structure moves up and down.
In the preferred scheme, the first shaft hole matching of the rotary shaft and mounting base of driving gear, driven gear and installation
Second shaft hole matching of seat, the rotation axis connection of handle and driving gear.Driving gear is driven to drive by rotating handle driven
Gear rotates, easy to operate, pulls intensity low.
In the preferred scheme, pull rod is located in the slot of mounting base, fastener pass through compression bar horizon bar mounting hole with
Threaded hole cooperation on pull rod.It is simple in structure, it is easy for assemble or unload, convenient for maintenance and safeguard.
In the preferred scheme, jackscrew is cone screw, is located on the column of supporting rack, close to the annular groove of pedestal.Top
The non-return valve of silk and hydraulic elongator mutually contradicts, and withstanding non-return valve makes piston fluid and atmosphere, when reducing piston reset
The oil pressure of the internal piston reaction force upward to resetting-mechanism, when operation, precession jackscrew after piston reset, screws out top
Silk.
In the preferred scheme, the vertical rod bottom of compression bar is equipped with pressing device, and pressing device includes connecting with universal ball end
The plastics pressure pad connect, universal ball end are connect with vertical rod.Plastics pressure pad flexibility is good, when piston contact with hydraulic elongator not
Piston easily is injured, plastics pressure pad makes universal ball end can in the piston for touching hydraulic elongator, by the downward movement of pull rod
To automatically adjust the piston contact angle of plastics pressure pad and hydraulic elongator, ensure that plastics pressure pad comes into full contact with piston, stress
Evenly, it is not easy to injure piston in reseting procedure.
A kind of hydraulic elongator re-setting device provided by the utility model, it includes pedestal, supporting rack, resetting-mechanism and drive
Motivation structure, by the annular groove fixed hydraulic stretcher on pedestal, jackscrew is mutually contradicted with non-return valve, the piston of hydraulic elongator
Fluid and atmosphere, rotating handle drive driving gear that driven gear rotation, driven gear drive rack is driven to move downward,
The piston contact of pressing device and hydraulic elongator is simultaneously downwardly applied to extruding force and makes piston reset.Overcome former hydraulic elongator
Low by beaing efficiency when piston reset, labor intensity is high, is easy to injure piston, sealing element and deformation, bite is more serious to ask
Topic.The utility model have it is simple in structure, piston reset is convenient and efficient, efficient, and labor intensity is low, stretcher be not easy bite,
Survivable sealing element, the characteristics of will not deforming.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is the structural schematic diagram of the utility model pedestal.
In figure：Pedestal 1, annular groove 11, supporting rack 2, jackscrew 21, mounting base 22, slot 221, the first axis hole 222, second
Axis hole 223, resetting-mechanism 3, compression bar 31, pressing device 311, pull rod 32, baffle 321, rack 33, driving mechanism 4, driving gear
41, driven gear 42, handle 43, fastener 5.
Specific implementation mode
In Fig. 1 ~ Fig. 3, a kind of hydraulic elongator re-setting device, it includes pedestal 1, supporting rack 2, resetting-mechanism 3 and drives
Motivation structure 4；The pedestal 1 is slab construction, which is provided with annular groove 11；The supporting rack 2 is connected by crossbeam with column
At inverted U-shaped structure, column be equipped with jackscrew 21, crossbeam be equipped with mounting base 22；The resetting-mechanism 3 includes and compression bar 31
The pull rod 32 of connection, the rack 33 being connect with pull rod 32；The driving mechanism 4 includes the driven tooth coordinated with driving gear 41
Wheel 42 and handle 43；Supporting rack 2 is connected and fixed with pedestal 1, the mounting base 22 on resetting-mechanism 3 and driving mechanism 4 and supporting rack 2
Cooperation, driven gear 42 and the rack 33 of resetting-mechanism 3 coordinate.It is simple in structure, pass through 11 fixed hydraulic of annular groove on pedestal 1
Stretcher, jackscrew 21 are mutually contradicted with non-return valve, the piston fluid and atmosphere of hydraulic elongator, the driving master of rotating handle 43
Moving gear 41 drives driven gear 42 to rotate, and 42 drive rack 33 of driven gear moves downward, pressing device 311 and hydraulic tensioning
The piston contact of device is simultaneously downwardly applied to extruding force and makes piston reset, and piston reset is convenient and efficient, efficient, and labor intensity is low, draws
Device is stretched to be not easy bite, survivable sealing element, will not deform.
In preferred scheme, the mounting base 22 is located on the crossbeam of supporting rack 2, including slot 221, the water extended vertically through
Flat the first axis hole 222 and the second axis hole 223 through slot 221.It is simple in structure, pull rod 32 and rack 33,41 and of driving gear
Driven gear 42 is located in slot 221, and driving gear 41 is engaged with driven gear 42, and rack 33 is engaged with driving gear 41, main
Moving gear 41 and driven gear 42 and the first axis hole 222 and the second axis hole 223 coordinate.
In preferred scheme, the inverted U-shaped structure that the compression bar 31 is connected by horizon bar and vertical rod, horizon bar is equipped with
Mounting hole.It is simple in structure, pass through appended claims mounting hole steady brace 32.
In preferred scheme, the pull rod 32 is rod-like structure body, and bottom is equipped with threaded hole, and two ends are equipped with baffle 321,
Rack 33 is located between the baffle 321 of two ends.Simple in structure, the threaded hole of bottom is used to fix with compression bar 31, two ends
Baffle 321 limits the stroke that resetting-mechanism 3 moves up and down.
In preferred scheme, the rotary shaft of the driving gear 41 coordinates with the first axis hole 222 of mounting base 22, driven tooth
Wheel 42 and the second axis hole 223 of mounting base 22 coordinate, the rotation axis connection of handle 43 and driving gear 41.Pass through rotating handle 43
Drive driving gear 41 that driven gear 42 is driven to rotate, it is easy to operate, pull intensity low.
In preferred scheme, the pull rod 32 is located in the slot 221 of mounting base 22, and fastener 5 passes through compression bar 31 horizontal
The mounting hole of bar coordinates with the threaded hole on pull rod 32.It is simple in structure, it is easy for assemble or unload, convenient for maintenance and safeguard.
In preferred scheme, the jackscrew 21 is cone screw, is located on the column of supporting rack 2, close to the annular of pedestal 1
Slot 11.Jackscrew 21 and the non-return valve of hydraulic elongator mutually contradict, and withstanding non-return valve makes piston fluid and atmosphere, reduces and lives
The oil pressure reaction force upward to resetting-mechanism 3 of internal piston when plug resets, when operation, precession jackscrew 21, piston is multiple
Behind position, jackscrew 21 is screwed out.
In preferred scheme, the vertical rod bottom of the compression bar 31 is equipped with pressing device 311, pressing device 311 include with
The plastics pressure pad of universal ball end connection, universal ball end are connect with vertical rod.Plastics pressure pad flexibility is good, the work with hydraulic elongator
It is not easy to injure piston when plug contact, plastics pressure pad passes through the movement that pull rod 32 is downward in the piston for touching hydraulic elongator
So that universal ball end is automatically adjusted the piston contact angle of plastics pressure pad and hydraulic elongator, ensures that plastics pressure pad is filled with piston
Tap is touched, and stress evenly, in reseting procedure is not easy to injure piston.
Hydraulic elongator re-setting device as described above, when operation, hydraulic elongator is located in the annular groove 11 of pedestal 1,
Jackscrew 21 and the non-return valve of hydraulic elongator mutually contradict, and withstanding non-return valve makes piston fluid and atmosphere, and it is multiple to reduce piston
The oil pressure of the internal piston reaction force upward to resetting-mechanism 3 when position, it is driven that rotating handle 43 drives driving gear 41 to drive
Gear 42 rotates, and 42 drive rack 33 of driven gear, which moves downward, pushes compression bar 31, the pressing device 311 and liquid of 31 bottom of compression bar
Pressing the piston contact of stretcher and being downwardly applied to extruding force makes piston reset, after piston reset, screws out jackscrew 21.Piston reset side
Just quick, efficient, labor intensity is low, and stretcher is not easy bite, survivable sealing element, will not deform.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the features in the embodiments and the embodiments of the present application in the absence of conflict, mutually can be combined arbitrarily.This practicality is new
Technical characteristic in the technical solution that the protection domain of type should be recorded with claim, including the technical solution of claim record
Equivalents are protection domain.Equivalent replacement i.e. within this range is improved, also the scope of protection of the utility model it
It is interior.
Claims (8)
1. a kind of hydraulic elongator re-setting device, it is characterized in that：It includes pedestal（1）, supporting rack（2）, resetting-mechanism（3）And drive
Motivation structure（4）；The pedestal（1）For slab construction, annular groove which is provided with（11）；The supporting rack（2）By crossbeam and
The inverted U-shaped structure that column connects into, column are equipped with jackscrew（21）, crossbeam is equipped with mounting base（22）；The resetting-mechanism
（3）Including with compression bar（31）The pull rod of connection（32）With pull rod（32）The rack of connection（33）；The driving mechanism（4）Packet
It includes and driving gear（41）The driven gear of cooperation（42）And handle（43）；Supporting rack（2）With pedestal（1）It is connected and fixed, resets
Mechanism（3）And driving mechanism（4）With supporting rack（2）On mounting base（22）Cooperation, driven gear（42）With resetting-mechanism（3）'s
Rack（33）Cooperation.
2. hydraulic elongator re-setting device according to claim 1, it is characterized in that：The mounting base（22）Positioned at supporting rack
（2）Crossbeam on, including the slot that extends vertically through（221）, horizontal run through slot（221）The first axis hole（222）With the second axis
Hole（223）.
3. hydraulic elongator re-setting device according to claim 1, it is characterized in that：The compression bar（31）By horizon bar and hang down
The inverted U-shaped structure that straight-bar connects into, horizon bar are equipped with mounting hole.
4. hydraulic elongator re-setting device according to claim 1, it is characterized in that：The pull rod（32）For rod-like structure
Body, bottom are equipped with threaded hole, and two ends are equipped with baffle（321）, rack（33）Positioned at the baffle of two ends（321）Between.
5. hydraulic elongator re-setting device according to claim 1 or 2, it is characterized in that：The driving gear（41）Rotation
Shaft and mounting base（22）The first axis hole（222）Cooperation, driven gear（42）With mounting base（22）The second axis hole（223）Match
It closes, handle（43）With driving gear（41）Rotation axis connection.
6. according to claim 1 ~ 4 any one of them hydraulic elongator re-setting device, it is characterized in that：The pull rod（32）It is located at
Mounting base（22）Slot（221）It is interior, fastener（5）Across compression bar（31）The mounting hole and pull rod of horizon bar（32）On screw thread
Hole coordinates.
7. hydraulic elongator re-setting device according to claim 1, it is characterized in that：The jackscrew（21）For cone screw,
Positioned at supporting rack（2）Column on, close to pedestal（1）Annular groove（11）.
8. hydraulic elongator re-setting device according to claim 3, it is characterized in that：The compression bar（31）Vertical rod bottom
Equipped with pressing device（311）, pressing device（311）Include the plastics pressure pad being connect with universal ball end, universal ball end and vertical rod
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721880868.0U CN207771740U (en) | 2017-12-28 | 2017-12-28 | Hydraulic elongator re-setting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721880868.0U CN207771740U (en) | 2017-12-28 | 2017-12-28 | Hydraulic elongator re-setting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207771740U true CN207771740U (en) | 2018-08-28 |
Family
ID=63225216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721880868.0U Active CN207771740U (en) | 2017-12-28 | 2017-12-28 | Hydraulic elongator re-setting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207771740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635041A (en) * | 2021-10-13 | 2021-11-12 | 江苏华恩机械科技有限公司 | Anti-jamming deformation hydraulic stretcher resetting device and implementation method thereof |
-
2017
- 2017-12-28 CN CN201721880868.0U patent/CN207771740U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635041A (en) * | 2021-10-13 | 2021-11-12 | 江苏华恩机械科技有限公司 | Anti-jamming deformation hydraulic stretcher resetting device and implementation method thereof |
| CN113635041B (en) * | 2021-10-13 | 2021-12-07 | 江苏华恩机械科技有限公司 | Anti-jamming deformation hydraulic stretcher resetting device and implementation method thereof |
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